In The Field

Poznan: It’s worse than you think

One of the ongoing debates in Poznan is whether to enumerate some kind of goal for emissions reductions, at least in the short term. The usual number that comes up for Annex I countries – the industrialized world – is 25-40 percent below 1990 levels by 2020, and the EU has been pushing for a 50-percent reduction by mid-century in order to limit global warming to 2 degrees Celsius. The scientific basis for this, however, is unclear at best. 


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